Paul from SWISCO responded:
February 26, 2016
I'm not sure if we can get you exactly what you need. I haven't seen 1-3/8" wheels for some time now, so I'm thinking yours is pretty old. Our 84-104 has pretty much the largest wheel you will find for this style. It's not all bad news, though; your door should have an adjustment screw that would make up the difference. Would that work? You also mention corrosion, so you might want to consider the 84-016 with a 1-1/4" nylon wheel.
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